Atty. Michael Cornelius Sullivan

Atty. Michael Cornelius Sullivan

Michael Cornelius Sullivan is a lawyer practicing taxation. Michael has been licensed for 22 years.

Chicago Chicago 22 yrs experience 22 year
Call (312) 748-0685 Book Appointment

Profile Summary

About Michael Cornelius Sullivan at a glance

Michael Cornelius Sullivan is a tax attorney based in Chicago, Illinois. They have 22+ years of legal experience, licensed to practice since 2004. Admitted to practice in Illinois (2004). Serands clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Michael Cornelius Sullivan is a lawyer practicing taxation
  • Michael has been licensed for 22 years
  • Michael practices in Chicago, IL

Practice Areas Explained

Michael Cornelius Sullivan's Areas of Practice

Each practice area below reflects the types of cases Michael Cornelius Sullivan handles, with a brief overview of what that area of law covers.

Tax Law

Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.

Michael Cornelius Sullivan is one of 85,302 tax attorneys indexed nationally. Browse tax attorneys in Illinois →

Jurisdictional Context

Why local counsel matters in Illinois

Practicing law in Illinois. Legal matters in Illinois are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Chicago are typically filed in the local municipal court or the appropriate Illinois state district court, depending on subject matter and amount in controversy. An attorney licensed in Illinois brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Illinois courts without local counsel or pro hac vice admission.

Looking for additional Illinois attorneys? Browse all attorneys in Chicago or all attorneys in Illinois.

Frequently Asked

Common questions about Michael Cornelius Sullivan

Where is Michael Cornelius Sullivan's law office located?
Michael Cornelius Sullivan's law practice is located in Chicago, Illinois. You can contact the office directly through this profile page.
What practice areas does Michael Cornelius Sullivan handle?
Michael Cornelius Sullivan focuses on tax. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Michael Cornelius Sullivan practiced law?
Michael Cornelius Sullivan has 22+ years of legal experience and has been licensed since 2004.
How can I contact Michael Cornelius Sullivan for a consultation?
You can contact Michael Cornelius Sullivan directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Practice Areas

Bar Admissions

Illinois
Admitted: 2004

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